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cxx: try to enable gold and lld for gcc and clang

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This commit is contained in:
Danny Robson 2020-10-20 11:53:34 +10:00
parent 93d09dc0dc
commit a4b3a217d6
1 changed files with 9 additions and 4 deletions
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11
nc_cxx.cmake
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@ -29,10 +29,15 @@ append_compile_flag ("-std=c++2a")
append_compile_flag ("-fpermissive") append_compile_flag ("-fpermissive")
append_compile_flag ("/std:c++latest") append_compile_flag ("/std:c++latest")
# try to use clangs libc++ under the assumption that gcc will fail this test
# and clang will pass (if it is present). this is necessary because some if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# libstdc++ headers don't behave well under c++17/clang.
append_compile_flag ("-stdlib=libc++") append_compile_flag ("-stdlib=libc++")
append_link_flag ("-fuse-ld=lld")
endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
append_link_flag ("-fuse-ld=gold")
endif ()
############################################################################### ###############################################################################
# find the gcc or clang filesystem library and append to libs if needed # find the gcc or clang filesystem library and append to libs if needed